21889348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 43853824

約数和(自身を除く): 21964476

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 62, 74, 124, 148, 367, 403, 481, 734, 806, 962, 1147, 1468, 1612, 1924, 2294, 4588, 4771, 9542, 11377, 13579, 14911, 19084, 22754, 27158, 29822, 45508, 54316, 59644, 147901, 176527, 295802, 353054, 420949, 591604, 706108, 841898, 1683796, 5472337, 10944674, 21889348]

約数ペア:

[(1, 21889348), (2, 10944674), (4, 5472337), (13, 1683796), (26, 841898), (31, 706108), (37, 591604), (52, 420949), (62, 353054), (74, 295802), (124, 176527), (148, 147901), (367, 59644), (403, 54316), (481, 45508), (734, 29822), (806, 27158), (962, 22754), (1147, 19084), (1468, 14911), (1612, 13579), (1924, 11377), (2294, 9542), (4588, 4771)]